Tribute to Life Magazine --Bing Crosby - sings ""True Love"" --Julie Andrews - sings a medley of ""Wouldn't It be Lovely,"" ""I'll Follow My Secret Heart"" and ""Someone to Watch over Me"" --Kate Smith - sings ""God Bless America"" --Phil Silvers Other guests (scheduled to appear): --Louis Armstrong --Marcel Marceau --Michael Redgrave and Barbara Bel Geddes appear in a scene from their Broadway play ""The Sleeping Prince.""